Ozone pollution can harm your health when it is in the air we breathe. Cutting ground-level ozone pollution helps protect public health and the environment. ⛰️ Learn more: cdphe.colorado.gov/ozone-pollutio… #AQAW2025 #COAir

Check out the Colorado Smoke Blog! The blog offers updates on wildfire activity, prescribed burns, and out-of-state smoke transport. Find out how these factors impact our communities: colosmokeoutlook.blogspot.com #AQAW2025 #COAir

An Ozone Action Day Alert has been issued until midnight Saturday night for the N CO Front Range. Ozone levels in the Unhealthy for Sensitive Groups category are possible in the Denver Metro area, Fort Collins, Greeley, and areas in-between. colorado.gov/airquality/adv…

Elevated ozone levels in Larimer and Weld Counties until 10pm Monday evening. colorado.gov/airquality/adv…

Elevated levels of ozone are possible in the northern Colorado Front Range on Tuesday afternoon and evening, from the Denver Metro northward through Fort Collins and Greeley. Limit outdoor exertion in these areas until late evening on Tuesday. colorado.gov/airquality/adv…

An Air Quality Health Advisory for Ozone is in effect until 10 pm for Pueblo and El Paso Counties. Visit CDPHE's website for more information, here: colorado.gov/airquality/col…

As the daylight hours and summer temps increase, so does the potential for ozone and wildfire smoke to affect air quality. Stay informed by signing up for air quality alerts via email ( colorado.gov/airquality/req… ), and visiting the Colorado Smoke Blog ( colosmokeoutlook.blogspot.com ).

Although ozone is at moderate levels Saturday afternoon, higher concentrations are expected on Sunday. Strenuous outdoor activities on Sunday are better suited for the morning hours, if possible.

Elevated ozone levels Monday afternoon and evening, especially southern and western Denver, and the nearby foothills. Improving air quality is expected on Tuesday. colorado.gov/airquality/adv…

Ozone will remain in the Good to Moderate range on Wednesday, but is expected to reach the Unhealthy For Sensitive Groups category on Thursday. An Ozone Action Day Alert is in effect until at least 4 PM Thurs. For more details: colorado.gov/airquality/adv…

An Ozone Action Day is in effect until Midnight Thursday night. Ozone will reach the Unhealthy for Sensitive Groups category on Thursday, but will improve to the Good to Moderate range on Friday. For more information: colorado.gov/airquality/adv…

Ozone is expected to reach levels that are Unhealthy for Sensitive Groups on Saturday. Reduce activity outdoors on Saturday afternoon to beat the heat and avoid exposure to increased levels of ozone. colorado.gov/airquality/adv…

High ozone in the forecast Saturday afternoon and evening for north/west Denver, Boulder, Ft. Collins, Greeley and the nearby foothills. Ozone looks better for Sunday. colorado.gov/airquality/adv…

An Ozone Action Day Alert is in effect until at least 4 pm Thursday. Ozone will stay in the Good to Moderate range on Wednesday, but reach the Unhealthy for Sensitive Groups category on Thursday. More info on our website: colorado.gov/airquality/adv…

Elevated ozone concentrations will continue on Thurs afternoon & evening in the N Colorado Front Range. Take it easy outdoors to reduce exposure to poor air quality. Unsettled weather conditions are expected to keep ozone Good to Moderate on Friday. colorado.gov/airquality/adv…

An Air Quality Health Advisory is in effect for central Garfield County. For more details on the advisory, visit our website: colorado.gov/airquality/col… Visit the Colorado Smoke Blog for more information on wildfire smoke: colosmokeoutlook.blogspot.com

Ozone levels will be on the rise for Tuesday. Reducing pollution today can also help decrease ozone tomorrow. simplestepsbetterair.org/simple-steps/ colorado.gov/airquality/adv…

Elevated ozone levels in the forecast for the northern Front Range both Tuesday and Wednesday. Exercising outdoors during the morning is the better health choice, if possible. colorado.gov/airquality/adv… cdphe.colorado.gov/ozone-pollutio…

An Ozone Action Day Alert is in effect until at least 4 PM Thursday. Ozone is expected to be in the Moderate to Unhealthy for Sensitive Groups range both Wednesday and Thursday. For more information, visit our website: colorado.gov/airquality/adv…

Afternoon showers and thunderstorms are expected to limit ozone on Sunday, however ozone may reach levels that are Unhealthy for Sensitive Groups on Monday. Limit heavy exertion outdoors and choose lower emission transportation if possible on Monday. colorado.gov/airquality/adv…